GEOMETRY VOCAB

ACUTE ANGLE

LINE

• A straight path of points that continues without end in both directions

LINE OF SYMMETRY

• An imaginary line that devides a shape into two congruent parts

LINE SYMMETRY

• What a shape has if it can be folded about a line so that its two parts match exactly

OBTUSE ANGLE

• An angle that has a measure greater than a right angle
• Greater than 90 degrees

RAY

• A part of a line, with one end point,that is straight and continues in one direction

RIGHT ANGLE

• An angle that forms a square corner and has a measure of 90 dergees

INTERSECTING LINES

• Line in a plane that cross at exactly one point.
• They form four angles

PARALLEL LINES

• Lines in a plane that are always the same distance apart
• They never intersect

PERPENDICULAR LINES

• Lines in a plane that intersect to form 4 right angles

TRAPEZOID

• Has 1pair of parallel Sides

PARALLELOGRAM

• Has 2 pairs of paralell sides
• Has 2 pairs of sides of equal length

RHOMBUS

• 2 pairs of parallel sides
• 4 sides of equal lengnth

RECTANGLE

• 2 pairs of parallel sides

SQUARE

• 2 pairs of parallel sides
• 4 sides of equal lengnth
• 4 right angles

STRAIGHT ANGLE

• An angle in which two rays point in opposite directions so that they form a line

POINT

• An exact location in space

LINE SEGMENT

• A part of a line that has two endpoints

ANGLE

• Is formed by two rays or line segments that have the same endpoint.
• The shared endpoint is called vertex

EQUILATERAL TRIANGLE

• A triangle that has 3 equal sides

ISOSELES TRIANGLE

• A triangle that has two equal sides

SCALENE TRIANGLE

• A triangle that has no equal sides

HEXAGON

• Six sides
• Six lines of symmetry

THE END